US Government As Represented by the Secretary of the Army

Luke Helsel

Thomas DeVoe

Gregory C Burke

Matthew Jones

Joseph Leone

Henry Kerwien

David Bound

Joseph Troll

Anthony E Tartarilla, Iii

Nicholas Turner

Adam Jarvis

Jacqueline Quinn Baeder

A hydraulic cylinder with a load distribution nut connected to an end cap reduces fatigue experience by the end cap portion of the cylinder. The load distribution nut separates the axial load generated in the system from a single to multiple load paths. By introducing additional load paths, the load experienced by the traditional load path is reduced. Additionally, the load experienced by the end cap can be tailored by modifying the design of the load distribution nut and end cap. By either increasing or decreasing the surface area of the load distribution nut the axial load reduction on the end cap is correspondingly decreased or increased.

Load distribution nut

A diode pumped solid-state laser for high shock, high vibration environments such as those found in laser ignition systems for artillery systems which internally integrate into the breech of an artillery system such as a 155 mm howitzer. The diode pumped solid-state laser employs a unique gain medium mounting which permits its use in such high shock/high vibration environments. Contributing further to robustness is a monolithic design based on diode arrays mounted in a linear configuration along with an advanced polycrystalline gain medium laser rod. Advantageously, and in sharp contrast to laser ignition systems incorporating flash lamps, the diode pumped solid-state laser of the present invention permits a seamless integration into a howitzer artillery weapons system without other complex mounting provisions or shock isolation system(s). Of further advantage, the diode pumped solid-state laser of the present invention facilitates integration into existing breech hardware with relatively only minor modification. This simplifies design of allied such breech and laser assemblies, their integration requirements, and further results in a reduced total system weight.

Monolithic diode pumped solid-state laser for high shock environments

An artillery charge includes a generally cylindrical body with a hollow core; propellant disposed in the body and first energetic material disposed in the hollow core; and a seal disposed over one end of the hollow core, the seal including second energetic material disposed therein. A laser igniter ignites the second energetic material in the seal, thereby providing more reliable ignition of the first energetic material and the propellant. The artillery charge reliably ignites using a lower powered laser than known charges.

Artillery charge with laser ignition

Growing community of inventors

Rockaway, NJ, United States of America

Luke Helsel